MCQ Questions | Class 9 Science Chapter 1 | Matter in Our Surroundings with Answers

MCQ | Matter in Our Surroundings Class 9 | Part-3

Check the below NCERT MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Matter in Our Surroundings Class 9 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 9

NCERT Solutions Class 9 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	9th
Subject:	Science
Chapter:	1 ( Part-3 )
Chapters Name:	Matter in Our Surroundings
Medium:	English

Ncert Solutions for Class 9 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Science Chapter 1 Matter in Our Surroundings to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Matter in Our Surroundings | Class 9 Science | NCERT Solutions

Q1.	Choose the correct statement out of the following.
	A. Conversion of solid into vapours without passing through the liquid state is called vaporisation
	B. Conversion of vapours into solid without passing through the liquid state is called sublimation
	C. Conversion of vapours into solid without passing through the liquid state is called freezing
	D. Conversion of solid into liquid is called sublimation

Ans: Conversion of vapours into solid without passing through the liquid state is called sublimation

Q2.	Pressure on the surface of a gas is increased. What will happen to the inter-particle forces?
	A. They will remain constant
	B. They will increase
	C. They will decreases
	D. None of these

Ans: They will increase

Q3.	Which of the following is correct order of forces of attraction?
	A. Water > Air > Sand
	B. Air > Sugar > Oil
	C. Air < Water < Sugar
	D. Salt > Air > Juice

Ans: Air < Water < Sugar

Q4.	As the solid melts to form liquid,
	A. compressibility increases
	B. interparticle forces of attraction decreases
	C. the kinetic energy of the particle increases
	D. all of these

Ans: all of these

Q5.	Which of the following statement is not true regarding the characteristic of matter?
	A. Particles of a matter are randomly moving in all directions.
	B. Kinetic energy of the particles increases with a rise in temperature
	C. Kinetic energy of the particles of all maters remains the same at a particular temperature.
	D. Particles of matter diffuse into each other on their own.

Ans: Kinetic energy of the particles of all maters remains the same at a particular temperature.

Q6.	Which of the following does not undergo sublimation?
	A. Ammonium chloride
	B. Sodium chloride
	C. Solid carbon dioxide
	D. Iodine

Ans: Sodium chloride

Q7.	Which of the following will not sublimate ?
	A. Camphor
	B. ammonium chloride
	C. bromine
	D. Iodine

Ans: bromine

Q8.	When alcohol is kept in a china dish it evaporates, temperature falls and cooling is produced. Which one is the correct method to record the temperature?
	A. By using a thermometer
	B. By taking help from the teacher.
	C. By smell of alcohol vapour
	D. By touching the surface of china dish

Ans: By using a thermometer

Q9.	In an endothermic process heat is absorbed, in an exothermic process heat is evolved and in an athermic process no thermal change is observed. What is the nature of evaporation of ether?
	A. Athermic
	B. Exothermic
	C. First exothermic then endothermic
	D. Endothermic

Ans: Endothermic

Q10.	Which of the following is not a compound?
	A. marble
	B. washing soda
	C. quick lime
	D. brass

Ans: brass

Q11.	Liquids can flow and change its………….
	A.Texture
	B.Size
	C.Volume
	D.Shape

Ans: Shape

Q12.	Liquid are not rigid but can be…………………
	A.Gas
	B.Solid
	C.Water
	D.Fluid

Ans: Fluid

Q13.	Solids and liquids diffuse into…………
	A.Liquor
	B.Liquid
	C.Gas
	D.Air

Ans: Liquid

Q14.	The gaseous from the atmosphere diffuse and dissolve in…………..
	A.Water
	B.Gas
	C.Air
	D.Solid

Ans: Water

Q15.	………….. and ………….. gaseous are essential for the survival of aquatic animals and plants.
	A.Hydrogen, oxygen
	B.Carbondioxide, nitrogen
	C.Oxygen, water
	D.Carbondioxide, oxygen

Ans: Carbondioxide, oxygen

Q16.	Solids, liquids, gaseous can diffuse into…………..
	A.Liquor
	B.Liquids
	C.Gas
	D.Air

Ans: Liquids

Q17.	The rate of diffusion of liquids is higher than…………..
	A.Soil
	B.Liquid
	C.Gas
	D.Solids

Ans: solids

Q18.	Gaseous are…………………. Than solids.
	A.Converge
	B.Compatible
	C.Compressible
	D.Columnar

Ans: Compressible

Q19.	Full form of LPG.
	A.Liquid petrol gas
	B.Liquefied petrol gas
	C.Liquefied petrochemical gas
	D.Liquefied petroleum gas

Ans: Liquefied petroleum gas

Q20.	Full form of CNG.
	A.Compressed nature gas
	B.Compressed nurture gas
	C.Compatible natural gas
	D.Compressed natural gas

Ans: Compressed natural gas

CBSE Solutions | Ncert Solutions Science Class 9

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NCERT SOLUTIONS

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